Table 1.
The electric element values fitted from the experimental spectra of Figure 1a–c. Each data is calculated from three individual electrodes.
| Modification Steps | Ab/MPA/SPCEs | BioAb/SA-BSA/MPA/SPCEs | BioAb/SA-BSA/MUA/SPCEs | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Rs (kΩ) | Ret (kΩ) | CPE (μF) | Rs (kΩ) | Ret (kΩ) | CPE (μF) | Rs (kΩ) | Ret (kΩ) | CPE (μF) | |
| SAM | 0.23 ± 0.00 | 1.15 ± 0.03 | 10.49 ± 0.03 | 0.23 ± 0.00 | 1.23 ± 0.03 | 10.07 ± 0.03 | 0.35 ± 0.01 | 188.3 ± 16.0 | 2.44 ± 0.01 |
| SA-BSA | . | . | . | 0.23 ± 0.00 | 1.45 ± 0.03 | 9.17 ± 0.05 | 0.29 ± 0.00 | 51.9 ± 0.9 | 2.32 ± 0.02 |
| Ab | 0.22 ± 0.00 | 1.07 ± 0.04 | 10.19 ± 0.10 | 0.22 ± 0.00 | 1.84 ± 0.04 | 8.65 ± 0.02 | 0.28 ± 0.00 | 120.9 ± 3.0 | 2.23 ± 0.01 |
| N-protein | 0.22 ± 0.00 | 1.36 ± 0.05 | 10.95 ± 0.06 | 0.24 ± 0.00 | 3.27 ± 0.06 | 6.64 ± 0.00 | 0.29 ± 0.00 | 144.2 ± 0.5 | 2.24 ± 0.00 |